assiduous
adj.刻苦的;勤勉的;殷勤的;百折不挠的
网络解释.尽力多做;勤勉的;劳苦;辛苦
adj.1.勤勉的释义下的同义词
tenacious sedulous attentive studious persevering earnest diligent industrious hard-working
2.坚持不懈的,不倦的释义下的同义词
persistent patient devoted indefatigable unremitting continuous plodding constant untiring tireless